Finding the Fourth Proportional to 47,477,975.68, 71,201,347.80 and 16,766,984.44
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Solution
The fourth proportional to 47,477,975.68, 71,201,347.80 and 16,766,984.44 is: 25,144,961.92
Step by Step Solution
- Step 1: Write the proportion equation
47,477,975.68 : 71,201,347.80 = 16,766,984.44 : x - Step 2: Convert to fraction form
47,477,975.68/71,201,347.80 = 16,766,984.44/x - Step 3: Cross multiply
47,477,975.68x = 71,201,347.80 × 16,766,984.44 - Step 4: Simplify right side
47,477,975.68x = 1,193,831,890,669,628.25 - Step 5: Solve for x
x = 1,193,831,890,669,628.25/47,477,975.68 - Step 6: Final answer
x = 25,144,961.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.